That's not a proper run-pass option, the concept has a very specific meaning in the NFL.
The run-pass option as it exists in the NFL has the offensive linemen on the front side of the play run blocking - commonly for an outside zone run / toss / some other run where blockers move laterally, given that OLs in the NFL may not travel further than one yard beyond the line of scrimmage on a passing play. The offensive linemen on the backside of the play in turn are pass blocking for a quick pass. A receiver on the backside of the play (the pass blocking side) often runs a quick route such as a slant or slot bubble screen. The quarterback reads the movement by the linebacker / nickel back on the backside of the play; if he crashes the run then he pulls the ball and throws the slant, else he hands the ball off.
Aborting the pass part of a shotgun playaction pass is
not a run-pass option. The blocking assignments are different for playaction passes, and a quarterback typically does not have second and third passing progressions in an RPO (though that is changing). He certainly doesn't have the ability to wait for long-developing pass routes or concepts, given that the majority of his linemen are run blocking. Allowing the user to treat any shotgun playaction pass as a run-pass option is not realistic whatsoever.
I speculate that the behavior you describe was A) deemed an exploit in competitive play and removed on that account; B) removed when all handoffs were rebuilt a couple years ago (this happened within the past three years but I don't remember which specific Madden game did it); C) deemed an unrealistic implementation of the run-pass option concept and removed; or D) some combination of the above.